Blue Line Carburetor (CVK,19mm); QMB139
This is a high quality 19mm CVK replacement carburetor for all GY6 4-stroke 139QMB 49/50cc Chinese engines. This carburetor is fitted with an 85 main jet. It's better than stock and boasts a larger venturi and an accelerator pump, which will frequently eliminate hesitation when you open her up. Features: - Accelerator pump - Electric choke (2-pin male plug), - Fuel and drain lines, - Fuel filter - Pre-tuned jetting for most applications. - Quick-drain valve This carburetor is used on Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Vento, VIP and many others. Specs Auto choke Accelerator pump Remote float bowl Venturi: 19mm Airbox side: ID 29mm, OD 39mm Engine side: ID 19mm, OD 28mm Jetting- Main: 85 (4mm thread PB) Pilot: 35 (6mm thread CV) Needle: Non-adjustable GY50 A4 Compatible jets- Main: JETKH1 Pilot: CV style